Finding the Fourth Proportional to 14,768.71, 20,356.51 and 10,456.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,768.71 : 20,356.51 = 10,456.27 : x
2. Step 2: Convert to fraction form
   14,768.71/20,356.51 = 10,456.27/x
3. Step 3: Cross multiply
   14,768.71x = 20,356.51 × 10,456.27
4. Step 4: Simplify right side
   14,768.71x = 212,853,164.82
5. Step 5: Solve for x
   x = 212,853,164.82/14,768.71
6. Step 6: Final answer
   x = 14,412.44